短语词组短语red limestone loam 红色石灰土lateritic red loam 砖红壤性红壤exploitation of red loam 红壤开发limestone red loam 石灰岩红色土red loam sloping field 红壤坡地tropical red loam [土壤]热带红壤土upland in red loam 红壤旱地de -ironized red loam 离铁红壤 返回 red loam